140323005 has 12 divisors (see below), whose sum is σ = 243226620. Its totient is φ = 74838912.

The previous prime is 140322953. The next prime is 140323021. The reversal of 140323005 is 500323041.

140323005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 24265476 + 116057529 = 4926^2 + 10773^2 .

It is not a de Polignac number, because 140323005 - 2¹² = 140318909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1559100 + ... + 1559189.

It is an arithmetic number, because the mean of its divisors is an integer number (20268885).

Almost surely, 2^140323005 is an apocalyptic number.

140323005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140323005 is a deficient number, since it is larger than the sum of its proper divisors (102903615).

140323005 is a wasteful number, since it uses less digits than its factorization.

140323005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118300 (or 3118297 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 140323005 is about 11845.8011548396. The cubic root of 140323005 is about 519.6484371709.

Adding to 140323005 its reverse (500323041), we get a palindrome (640646046).

The spelling of 140323005 in words is "one hundred forty million, three hundred twenty-three thousand, five".